BlogJava-专注创造价值-随笔分类-聚类算法研究http://www.blogjava.net/fullfocus/category/31312.htmlzh-cnFri, 09 May 2008 21:18:46 GMTFri, 09 May 2008 21:18:46 GMT60focus聚类研究系列一-----熟悉现有项目基础（站在巨人的肩膀上）http://www.blogjava.net/fullfocus/archive/2008/05/09/199608.htmlfullfocusfullfocusFri, 09 May 2008 14:22:00 GMThttp://www.blogjava.net/fullfocus/archive/2008/05/09/199608.htmlhttp://www.blogjava.net/fullfocus/comments/199608.htmlhttp://www.blogjava.net/fullfocus/archive/2008/05/09/199608.html#Feedback0http://www.blogjava.net/fullfocus/comments/commentRss/199608.htmlhttp://www.blogjava.net/fullfocus/services/trackbacks/199608.html今天开始详细了解了已有的资源和项目代码，包含中文分词，文档向量化，现有的KA+K-MEANS聚类算法。但是据观察，聚类效果上不是很满意，主要是类簇的关键字抽取不够准确，特征选择尚未考虑，聚类精度需要提高。
以下是现有系统的流程图：明天开始到下周末，研究
1.ka+k-means，其他k-means方法，找出系统不足点
2.研究特征选择方法，提高聚类前数据的质量  阅读全文

fullfocus 2008-05-09 22:22 发表评论
]]>K-MEANS,AHC, single path直观演示---Clustering Web Search Resultshttp://www.blogjava.net/fullfocus/archive/2008/05/08/199259.htmlfullfocusfullfocusThu, 08 May 2008 07:21:00 GMThttp://www.blogjava.net/fullfocus/archive/2008/05/08/199259.htmlhttp://www.blogjava.net/fullfocus/comments/199259.htmlhttp://www.blogjava.net/fullfocus/archive/2008/05/08/199259.html#Feedback0http://www.blogjava.net/fullfocus/comments/commentRss/199259.htmlhttp://www.blogjava.net/fullfocus/services/trackbacks/199259.html

fullfocus 2008-05-08 15:21 发表评论
]]>TF-IDF解释http://www.blogjava.net/fullfocus/archive/2008/05/07/198987.htmlfullfocusfullfocusWed, 07 May 2008 07:38:00 GMThttp://www.blogjava.net/fullfocus/archive/2008/05/07/198987.htmlhttp://www.blogjava.net/fullfocus/comments/198987.htmlhttp://www.blogjava.net/fullfocus/archive/2008/05/07/198987.html#Feedback0http://www.blogjava.net/fullfocus/comments/commentRss/198987.htmlhttp://www.blogjava.net/fullfocus/services/trackbacks/198987.html主要讲解TF-IDF技术，与判断查询相关性。  阅读全文

fullfocus 2008-05-07 15:38 发表评论
]]>召回率与精度http://www.blogjava.net/fullfocus/archive/2008/05/07/198963.htmlfullfocusfullfocusWed, 07 May 2008 06:35:00 GMThttp://www.blogjava.net/fullfocus/archive/2008/05/07/198963.htmlhttp://www.blogjava.net/fullfocus/comments/198963.htmlhttp://www.blogjava.net/fullfocus/archive/2008/05/07/198963.html#Feedback1http://www.blogjava.net/fullfocus/comments/commentRss/198963.htmlhttp://www.blogjava.net/fullfocus/services/trackbacks/198963.html阅读全文

fullfocus 2008-05-07 14:35 发表评论
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